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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. int n;
  4. int bit[1000001];
  5.  
  6. void update(int pos)
  7. {
  8. 	while(pos<=n)
  9. 	{
  10. 		bit[pos]++;
  11. 		pos= pos + (pos & -pos);
  12. 	}
  13. }
  14.  
  15. int getsum(int pos)
  16. {
  17. 	int sum=0;
  18. 	while(pos>0)
  19. 	{
  20. 		sum+=bit[pos];
  21. 		pos= pos - (pos & -pos);
  22. 	}
  23. 	return sum;
  24. }
  25.  
  26. int main()
  27. {
  28. 	ios_base::sync_with_stdio(false);
  29. 	cin>>n;
  30. 	vector<long long> a;
  31. 	int temp;
  32. 	for(temp=0;temp<n;temp++)
  33. 	{
  34. 		long long x;
  35. 		cin>>x;
  36. 		a.push_back(x);
  37. 	}
  38.  
  39. 	vector<long long> b(a);
  40.  
  41. 	sort(b.begin(),b.end());
  42.  
  43. 	for(temp=0;temp<n;temp++)
  44. 	{
  45. 		a[temp]=lower_bound(b.begin(),b.end(),a[temp])-b.begin()+1;
  46. 		update(a[temp]);
  47. 	}
  48.  
  49. 	int cnt[n];
  50.  
  51. 	for(temp=0;temp<n;temp++)
  52. 	{
  53. 		cnt[temp]=getsum(a[temp]);
  54. 		cout<<cnt[temp]<<" ";
  55. 	}
  56. 	cout<<"\n";
  57. }
Success #stdin #stdout 0s 7360KB
comments (?)
stdin
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6
3 2 3 1 1 2
stdout
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6 4 6 2 2 4
https://ideone.com/Uhkm60
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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